NPPES file of Aug 9, 2026

Paul Anthony Leo, MD

Family Medicine Physician · Chicago, IL

Paul Anthony Leo, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1396205993, issued on Mar 21, 2019. Check the license (Illinois 036158342, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396205993
Name
Paul Anthony Leo
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036158342 IL
Self-reported in NPPES; status is on the state search
Practice location
4800 W Chicago Ave, Chicago, IL 60651
Phone
(773) 826-9600
Enumerated
Mar 21, 2019
Record last updated
May 30, 2023
Fax
(773) 826-9601
Medicare enrollment
Enrolled (PECOS I20220824003031); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 2019
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4800 W Chicago Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vuthik Chhay, PA-CPhysician Assistant1558484196
  2. Claudette Cohen, PA-CMedical Physician Assistant1174641393
  3. Ngozi Ezike, MDPediatrics Physician1447389994
  4. Colleen Foley, CNPFamily Nurse Practitioner1790237147
  5. Maureen McLachlan, APRNFamily Nurse Practitioner1740607332
  6. Saul Perez Olguin, LCSWClinical Social Worker1710611215

Verify Paul Anthony Leo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036158342
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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43% fewer Medicare Part D claims than the average family medicine physician in 2024

2,033 Medicare Part D claims for 151 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 57 claims were for opioids.

  1. Paul Leo2,033
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium205 claims
  2. Amlodipine Besylate103 claims
  3. Metformin Hcl75 claims
  4. Pantoprazole Sodium74 claims
  5. Jardiance66 claims
  6. Gabapentin62 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.3
  2. Costout of 100 · 30%67.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cook CountyChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Paul Anthony Leo among 6,215 family medicine physician records in Illinois

Paul Anthony Leo, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 78% of them.

  • NPI issued2019 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2019 · median 2006 among the 3,714 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Alfonso Bello, M.D.Chicago, IL 606511538171574
  2. Najib Chaljub, M.D.Chicago, IL 606511508867821
  3. Michael Earley, M. D.Chicago, IL 606511922107952
  4. Acezr Leynes, M.D.Chicago, IL 606511689672537
  5. Philip Maskall, M.D.Chicago, IL 606511255398715
  6. Egen Ong, M.D.Chicago, IL 606511538334727
  7. Hannah Polus, MDChicago, IL 606511376072009
  8. Nimmi RajagopalChicago, IL 606511063524676

Common questions

What is Paul Anthony Leo, MD's NPI number?

Paul Anthony Leo, MD's National Provider Identifier (NPI) is 1396205993, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Paul Anthony Leo, MD located?

The NPPES record lists a practice address at 4800 W Chicago Ave, Chicago, IL, 60651. Phone: (773) 826-9600. Providers update this record themselves, so call before visiting.

How can I verify Paul Anthony Leo, MD's license?

NPPES lists Illinois license number 036158342, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Paul Anthony Leo, MD prescribe under Medicare Part D?

In 2024, Paul Anthony Leo, MD had 2,033 Medicare Part D claims for 151 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Paul Anthony Leo, MD's MIPS final score?

The 2023 MIPS final score is 84.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.